What is energy?

Energy

• Is the ability to do work

• Is greatest when more work is done

• Is measured in joules

• All of the above

Energy is measured in

• Metres

• Joules

• Ohms

• Kilograms

The energy a motorbike uses to work is

• The person riding it

• The accelerator

• Petrol

• The engine

The energy a bicycle uses to work is

• The tires

• Dependent on the type of bike

• The person pedaling who gets their fuel from the food they eat

• The kind of surface the bike is riding on

Which of the following is not a form of energy?

• Heat

• Light

• Solar

• Sun

6000 J = ________ kJ

• 600

• 60

• 6

• 0.6

800,000 kJ = _________ J

• 8

• 80

• 8000

• 800

30 kJ = ___________ J

• 300

• 3,000

• 30,000

• 300,000

Two people were competing against each other in a 400m race. One person lasted the entire race but the other person struggled to finish. Why?

• Because the person who won had more energy

• Because the person who won is better

• Because the person who won cheated

• Because the person who won did less work

Which of the following is a form of energy?

• Power plants

• Bombs

• Nuclear

• Missiles